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Gemini 3 Flash Preview (medium) vs GPT-6 Astra (high)

GPT-6 Astra (high) leads on average score with 9.9 vs 9.6. Gemini 3 Flash Preview (medium) has the lower benchmark cost at $0.876 vs $4.458. GPT-6 Astra (high) is faster at 20.16s vs 21.57s, with pass rates of 94.2% vs 97.1%.

Last updated at: 2026-10-19

Compared models

Rank
#15
Total Output Tokens
252,536
Response Time (avg)
21.57s
Total Cost
$0.876
Rank
#7
Total Output Tokens
55,595
Response Time (avg)
20.16s
Total Cost
$4.458
Recommended model Gemini 3 Flash Preview (medium)

Its score stays close to the best score here (9.6 vs 9.9), while costing about 5.1x less than GPT-6 Astra (high).

Detailed comparison

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17 GPT-6 Astra GPT-6 Astra high Release: 2026-09-04
Score 9.6 9.9
Rank #15 #7
Reliability 10.0 9.9
Consistency 9.7 9.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 94.2% 97.1%
Flaky tests 1 1
Total Runs 69 69
Cost per result 4.169 20.263
Total Cost $0.876 $4.458
Input Price $0.500 / 1M $10.000 / 1M
Output Price $3.000 / 1M $50.000 / 1M
Cache Read Price $0.050 / 1M $1.000 / 1M
Cache Write Price $0.084 / 1M $12.500 / 1M
Total Input Tokens 235,726 167,805
Output Tokens 6,669 5,651
Reasoning Tokens 245,867 49,944
Response Time (avg) 21.57s 20.16s
Response Time (max) 117.26s 254.93s
Response Time (total) 496.12s 463.68s
Parameters ~500B total (~20B active) ~2T total (~150B active)
Availability Closed Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#15 Gemini 3 Flash Preview

medium
Cost
$0.010
Time
18.4s
Tokens
3,351 tok

#7 GPT-6 Astra

high
Cost
$0.457
Time
176.7s
Tokens
9,218 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 8.6 7.6 88.9% 1 84.40s 8,122 462 161,084
GPT-6 Astra 10.0 10.0 100.0% 0 5.86s 7,302 392 2,387

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